Cochetopa Dome, Colorado, USA - CO594 Additional information Connie A. Woodhouse Jeff Lukas Gary Bolton Mark Losleben Purpose of Collection: Climatology Detrend method: Negative exponential or linear regression of any slope, or 2/3-length spline. Detrending was done interactively, and if a negative exponential or lenear regression fit poorly, a 2/3-length spline was used. Cores are stored at: Institute of Arctic and Alpine Research, University of Colorado Reference: Woodhouse, Connie A.; Gray, Stephen T.; Meko, David M. 2006. Updated streamflow reconstructions for the Upper Colorado River Basin. Water Resources Research 42(5), W05415. COFECHA output: Chronology file name : CO594.CRN Measurement file name : CO594.RWL Date checked : 21JUN06 Checked by : B. Bauer Beginning year : 1437 Ending year : 2002 Principal investigators: Connie A. Woodhouse Jeff Lukas Gary Bolton Mark Losleben Site name : Cochetopa Dome Site location : Colorado Species information : PIPO PONDEROSA PINE Latitude : 3815 Longitude : -10640 Elevation : 2835m Series intercorrelation: 0.846 Avg mean sensitivity : 0.552 Avg standard deviation : 0.463 Avg autocorrelation : 0.701 Number dated series : 62 Segment length tested : 50 Number problem segments: 1 Pct problem segments : 0.12 PART 5: CORRELATION OF SERIES BY SEGMENTS: Cochetopa Dome 14:15 Wed 21 Jun 2006 Page 5 ----------------------------------------------------------------------------------------------------------------------------------- Correlations of 50-year dated segments, lagged 25 years Flags: A = correlation under .3281 but highest as dated; B = correlation higher at other than dated position Seq Series Time_span 1425 1450 1475 1500 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1474 1499 1524 1549 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 cod041 1763 2000 .87 .89 .87 .87 .84 .88 .92 2 cod042 1746 2000 .85 .87 .85 .84 .90 .85 .88 .92 3 cod141 1632 2000 .90 .92 .82 .89 .93 .90 .93 .93 .94 .90 .88 .90 4 cod171 1641 2000 .81 .82 .78 .86 .88 .81 .71 .75 .78 .72 .90 .92 5 cod202 1633 2000 .73 .79 .83 .84 .88 .75 .64 .75 .76 .71 .79 .73 6 cod021 1628 2000 .91 .93 .91 .88 .86 .86 .87 .89 .92 .92 .92 .92 7 cod022 1621 2000 .83 .86 .93 .94 .93 .90 .83 .84 .89 .91 .92 .93 .93 8 cod142 1615 2000 .88 .87 .91 .91 .91 .89 .88 .91 .91 .91 .87 .92 .94 9 cod241 1639 2000 .64 .74 .71 .87 .89 .76 .55 .52 .47 .47 .50 .48 10 cod242 1616 2000 .70 .72 .90 .85 .86 .86 .68 .56 .57 .28B .35 .63 .71 11 cod271 1772 2000 .74 .77 .81 .78 .68 .82 .90 12 cod281 1712 2000 .91 .89 .89 .82 .80 .84 .81 .89 .89 13 cod282 1644 2000 .76 .84 .89 .91 .90 .90 .88 .87 .91 .87 .89 .88 14 cod291 1616 2000 .92 .91 .92 .87 .90 .91 .87 .85 .87 .95 .92 .92 .90 15 cod292 1637 2000 .94 .91 .88 .92 .93 .92 .88 .86 .93 .90 .84 .92 16 cod051 1631 2000 .91 .95 .92 .92 .91 .88 .87 .88 .90 .84 .88 .95 17 cod052 1621 2000 .80 .84 .95 .92 .92 .92 .91 .83 .83 .92 .87 .92 .93 18 cod072 1597 2000 .80 .78 .86 .90 .89 .88 .79 .83 .87 .89 .91 .89 .93 .94 19 cod162 1610 1770 .88 .88 .90 .86 .90 .85 20 cod221 1641 2000 .76 .83 .80 .69 .62 .75 .57 .49 .54 .63 .72 .75 21 cod231 1624 2000 .86 .86 .89 .82 .80 .81 .76 .61 .70 .84 .61 .61 .77 22 cod232 1610 2000 .70 .86 .87 .84 .80 .79 .62 .52 .74 .83 .56 .60 .79 23 cod311 1628 1770 .87 .87 .80 .78 .73 24 cod312 1621 1770 .78 .82 .84 .73 .81 .61 25 cod272 1697 2000 .82 .83 .85 .76 .74 .86 .77 .62 .83 .85 26 cod011 1622 1879 .84 .86 .90 .87 .83 .81 .83 .66 .74 .88 .87 27 cod012 1629 1879 .89 .89 .83 .83 .87 .85 .85 .87 .83 .81 28 cod031 1589 2000 .92 .92 .89 .89 .92 .90 .84 .80 .61 .71 .89 .88 .93 .91 29 cod032 1589 2000 .84 .85 .88 .92 .90 .88 .83 .68 .69 .85 .87 .84 .94 .92 30 cod061 1602 1770 .88 .89 .91 .91 .86 .77 31 cod062 1595 1770 .79 .86 .91 .90 .89 .93 .87 32 cod071 1621 2000 .81 .81 .86 .81 .90 .90 .88 .88 .88 .85 .78 .91 .95 33 cod111 1444 2000 .87 .88 .92 .87 .86 .91 .85 .85 .87 .87 .86 .81 .71 .69 .68 .78 .84 .80 .93 .96 34 cod112 1437 2000 .88 .89 .92 .91 .93 .96 .89 .87 .89 .87 .81 .80 .81 .83 .85 .82 .70 .64 .87 .87 35 cod121 1619 2000 .84 .88 .93 .91 .93 .90 .83 .82 .83 .80 .73 .82 .85 36 cod122 1626 2000 .91 .92 .85 .88 .88 .84 .79 .71 .67 .67 .81 .84 37 cod131 1524 1774 .80 .80 .89 .81 .84 .83 .82 .84 .90 .86 38 cod132 1498 1774 .80 .79 .83 .89 .86 .84 .80 .79 .83 .89 .79 39 cod151 1480 2000 .85 .86 .84 .87 .89 .88 .88 .92 .92 .91 .90 .85 .85 .88 .90 .87 .93 .94 40 cod152 1493 2000 .86 .86 .85 .84 .90 .88 .88 .88 .87 .90 .85 .82 .75 .73 .75 .74 .84 .85 41 cod161 1606 1770 .91 .90 .91 .86 .82 .60 42 cod172 1678 2000 .75 .81 .82 .76 .63 .62 .75 .72 .90 .90 43 cod211 1597 1931 .82 .84 .88 .91 .85 .81 .85 .80 .86 .89 .87 .80 .81 .79 44 cod212 1597 2000 .83 .84 .91 .88 .83 .80 .80 .77 .61 .79 .84 .69 .85 .84 45 cod261 1559 1874 .85 .89 .82 .79 .81 .74 .81 .83 .76 .76 .80 .86 46 cod262 1578 1878 .88 .83 .82 .83 .80 .91 .92 .83 .80 .82 .81 .78 47 cod601 1857 2002 .86 .85 .89 48 cod642 1850 2002 .89 .92 .92 49 cod851 1850 2002 .84 .91 .94 50 cod801 1820 2002 .63 .65 .67 .90 .89 51 cod812 1810 2002 .83 .90 .87 .92 .94 52 cod842 1573 2002 .82 .83 .87 .91 .95 .92 .89 .88 .87 .87 .89 .90 .86 .86 .89 53 cod641 1860 2002 .90 .91 .92 54 cod802 1799 2002 .70 .69 .86 .81 .92 .96 55 cod831 1613 2002 .89 .89 .91 .87 .91 .92 .88 .90 .89 .93 .92 .94 .95 56 cod731 1842 2002 .72 .66 .87 .89 57 cod711 1647 2002 .89 .90 .93 .94 .94 .91 .86 .66 .71 .85 .90 .91 58 cod832 1630 2002 .92 .93 .87 .90 .91 .89 .90 .89 .91 .91 .90 .76 59 cod611 1619 2002 .90 .90 .93 .93 .94 .90 .86 .91 .90 .92 .94 .95 .93 60 cod741 1638 2002 .83 .83 .65 .75 .86 .78 .60 .72 .70 .58 .82 .83 61 cod742 1619 2002 .81 .81 .79 .71 .80 .86 .77 .57 .67 .65 .52 .85 .83 62 cod721 1480 2002 .92 .92 .92 .92 .89 .91 .89 .73 .69 .82 .85 .87 .84 .84 .86 .85 .91 .80 Av segment correlation .87 .89 .88 .86 .86 .88 .85 .85 .86 .88 .84 .86 .85 .82 .77 .79 .81 .78 .86 .87 PART 5: CORRELATION OF SERIES BY SEGMENTS: Cochetopa Dome 14:15 Wed 21 Jun 2006 Page 6 ----------------------------------------------------------------------------------------------------------------------------------- Correlations of 50-year dated segments, lagged 25 years Flags: A = correlation under .3281 but highest as dated; B = correlation higher at other than dated position Seq Series Time_span 1925 1950 1975 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 cod041 1763 2000 .92 .77 .76 2 cod042 1746 2000 .93 .88 .87 3 cod141 1632 2000 .89 .83 .83 4 cod171 1641 2000 .93 .81 .80 5 cod202 1633 2000 .65 .66 .66 6 cod021 1628 2000 .86 .87 .85 7 cod022 1621 2000 .86 .87 .86 8 cod142 1615 2000 .92 .71 .69 9 cod241 1639 2000 .67 .74 .78 10 cod242 1616 2000 .77 .68 .71 11 cod271 1772 2000 .83 .71 .69 12 cod281 1712 2000 .90 .87 .87 13 cod282 1644 2000 .88 .88 .88 14 cod291 1616 2000 .86 .86 .86 15 cod292 1637 2000 .93 .83 .82 16 cod051 1631 2000 .91 .68 .66 17 cod052 1621 2000 .92 .90 .90 18 cod072 1597 2000 .89 .86 .84 20 cod221 1641 2000 .73 .72 .70 21 cod231 1624 2000 .87 .77 .77 22 cod232 1610 2000 .81 .79 .79 25 cod272 1697 2000 .79 .74 .72 28 cod031 1589 2000 .85 .86 .86 29 cod032 1589 2000 .84 .90 .90 32 cod071 1621 2000 .83 .80 .77 33 cod111 1444 2000 .93 .92 .93 34 cod112 1437 2000 .78 .80 .79 35 cod121 1619 2000 .78 .84 .81 36 cod122 1626 2000 .82 .78 .77 39 cod151 1480 2000 .93 .92 .89 40 cod152 1493 2000 .83 .88 .87 42 cod172 1678 2000 .86 .83 .81 44 cod212 1597 2000 .77 .72 .72 47 cod601 1857 2002 .93 .94 .93 48 cod642 1850 2002 .79 .78 .78 49 cod851 1850 2002 .96 .92 .92 50 cod801 1820 2002 .85 .82 .82 51 cod812 1810 2002 .80 .54 .52 52 cod842 1573 2002 .85 .88 .88 53 cod641 1860 2002 .78 .82 .82 54 cod802 1799 2002 .94 .88 .88 55 cod831 1613 2002 .93 .77 .80 56 cod731 1842 2002 .72 .67 .65 57 cod711 1647 2002 .73 .72 .69 58 cod832 1630 2002 .67 .71 .69 59 cod611 1619 2002 .79 .77 .80 60 cod741 1638 2002 .85 .77 .77 61 cod742 1619 2002 .81 .84 .84 62 cod721 1480 2002 .59 .78 .81 Av segment correlation .84 .80 .80 PART 7: DESCRIPTIVE STATISTICS: Cochetopa Dome 14:15 Wed 21 Jun 2006 Page 11 ----------------------------------------------------------------------------------------------------------------------------------- Corr //-------- Unfiltered --------\\ //---- Filtered -----\\ No. No. No. with Mean Max Std Auto Mean Max Std Auto AR Seq Series Interval Years Segmt Flags Master msmt msmt dev corr sens value dev corr () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 1 cod041 1763 2000 238 10 0 .858 1.02 2.50 .435 .629 .330 2.41 .364 -.009 2 2 cod042 1746 2000 255 11 0 .877 .87 2.15 .399 .617 .366 2.57 .356 -.004 1 3 cod141 1632 2000 369 15 0 .883 .62 2.19 .406 .772 .403 2.36 .272 -.019 1 4 cod171 1641 2000 360 15 0 .831 .88 3.01 .484 .700 .347 2.52 .330 -.016 1 5 cod202 1633 2000 368 15 0 .754 .70 2.90 .498 .792 .444 2.41 .347 -.023 1 6 cod021 1628 2000 373 15 0 .916 .56 3.02 .363 .488 .637 2.48 .357 -.033 1 7 cod022 1621 2000 380 16 0 .889 .51 1.50 .281 .410 .614 2.43 .330 -.018 1 8 cod142 1615 2000 386 16 0 .884 .68 2.07 .503 .817 .430 2.35 .299 -.034 1 9 cod241 1639 2000 362 15 0 .683 .62 2.45 .381 .818 .325 2.44 .326 -.019 1 10 cod242 1616 2000 385 16 1 .705 .59 3.48 .528 .907 .347 2.52 .359 -.028 2 11 cod271 1772 2000 229 10 0 .771 .43 1.23 .243 .532 .583 2.56 .359 -.031 2 12 cod281 1712 2000 289 12 0 .871 .64 1.58 .360 .538 .552 2.47 .356 -.037 1 13 cod282 1644 2000 357 15 0 .875 .60 2.00 .337 .461 .585 2.52 .340 -.030 1 14 cod291 1616 2000 385 16 0 .890 .50 3.61 .497 .757 .665 2.58 .396 -.030 1 15 cod292 1637 2000 364 15 0 .910 .58 2.43 .401 .525 .634 2.59 .387 -.034 1 16 cod051 1631 2000 370 15 0 .896 .54 1.88 .370 .566 .610 2.54 .400 -.033 1 17 cod052 1621 2000 380 16 0 .890 .58 2.31 .362 .539 .594 2.53 .341 -.020 1 18 cod072 1597 2000 404 17 0 .893 .54 2.66 .503 .806 .601 2.43 .356 -.008 1 19 cod162 1610 1770 161 6 0 .885 .70 2.62 .529 .723 .619 2.55 .388 -.009 1 20 cod221 1641 2000 360 15 0 .746 .67 3.23 .526 .799 .526 2.47 .371 -.024 1 21 cod231 1624 2000 377 16 0 .768 .55 2.15 .421 .796 .510 2.44 .307 -.012 1 22 cod232 1610 2000 391 16 0 .751 .72 3.87 .673 .877 .476 2.50 .339 -.021 1 23 cod311 1628 1770 143 5 0 .851 .76 2.95 .667 .784 .555 2.56 .397 -.027 1 24 cod312 1621 1770 150 6 0 .718 .71 2.72 .652 .839 .537 2.40 .372 -.053 2 25 cod272 1697 2000 304 13 0 .835 .49 1.81 .328 .626 .596 2.47 .417 -.021 2 26 cod011 1622 1879 258 11 0 .853 .46 2.33 .405 .625 .756 2.56 .335 -.028 1 27 cod012 1629 1879 251 10 0 .889 .52 3.04 .548 .745 .733 2.54 .414 -.050 1 28 cod031 1589 2000 412 17 0 .870 .43 2.20 .384 .694 .722 2.52 .358 -.057 1 29 cod032 1589 2000 412 17 0 .861 .41 1.66 .295 .581 .652 2.47 .331 -.061 1 30 cod061 1602 1770 169 6 0 .886 .89 3.97 .688 .695 .563 2.54 .427 -.036 1 31 cod062 1595 1770 176 7 0 .877 .94 3.04 .611 .647 .510 2.60 .388 -.010 1 32 cod071 1621 2000 380 16 0 .882 .61 2.92 .592 .819 .586 2.46 .371 -.025 1 33 cod111 1444 2000 557 23 0 .861 .49 3.12 .514 .818 .574 2.45 .353 -.019 1 34 cod112 1437 2000 564 23 0 .858 .65 3.62 .615 .824 .543 2.43 .338 -.028 1 35 cod121 1619 2000 382 16 0 .834 .66 4.20 .721 .823 .590 2.50 .311 -.026 1 36 cod122 1626 2000 375 15 0 .814 .57 3.56 .592 .830 .552 2.51 .354 -.057 1 37 cod131 1524 1774 251 10 0 .845 .42 2.28 .414 .835 .613 2.52 .438 -.009 2 38 cod132 1498 1774 277 11 0 .833 .53 2.27 .489 .802 .617 2.54 .395 -.013 1 39 cod151 1480 2000 521 21 0 .893 .64 2.73 .491 .668 .602 2.39 .293 -.018 1 40 cod152 1493 2000 508 21 0 .885 .49 2.61 .502 .713 .681 2.45 .304 -.018 1 41 cod161 1606 1770 165 6 0 .823 .86 2.72 .627 .701 .617 2.53 .389 -.061 2 42 cod172 1678 2000 323 13 0 .802 .43 1.33 .241 .642 .457 2.50 .316 -.064 1 43 cod211 1597 1931 335 14 0 .858 .50 2.24 .414 .671 .644 2.50 .385 -.039 1 44 cod212 1597 2000 404 17 0 .819 .55 3.19 .558 .761 .694 2.52 .315 -.026 1 45 cod261 1559 1874 316 12 0 .820 .50 1.58 .295 .607 .534 2.61 .401 -.008 1 46 cod262 1578 1878 301 12 0 .849 .55 2.48 .374 .663 .531 2.68 .404 .010 1 47 cod601 1857 2002 146 6 0 .902 .45 1.10 .222 .517 .514 2.40 .391 -.054 1 48 cod642 1850 2002 153 6 0 .866 .43 1.83 .333 .636 .610 2.58 .480 -.028 1 PART 7: DESCRIPTIVE STATISTICS: Cochetopa Dome 14:15 Wed 21 Jun 2006 Page 12 ----------------------------------------------------------------------------------------------------------------------------------- Corr //-------- Unfiltered --------\\ //---- Filtered -----\\ No. No. No. with Mean Max Std Auto Mean Max Std Auto AR Seq Series Interval Years Segmt Flags Master msmt msmt dev corr sens value dev corr () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 49 cod851 1850 2002 153 6 0 .912 .57 1.42 .254 .490 .425 2.46 .411 -.017 1 50 cod801 1820 2002 183 8 0 .853 .41 1.25 .289 .506 .742 2.62 .421 -.057 1 51 cod812 1810 2002 193 8 0 .800 .41 1.91 .275 .734 .509 2.51 .438 -.042 2 52 cod842 1573 2002 430 18 0 .880 .56 2.85 .482 .770 .593 2.52 .404 -.034 1 53 cod641 1860 2002 143 6 0 .871 .47 1.30 .295 .598 .603 2.54 .458 -.062 1 54 cod802 1799 2002 204 9 0 .880 .48 1.71 .306 .513 .693 2.45 .437 -.056 1 55 cod831 1613 2002 390 16 0 .888 .73 2.60 .432 .760 .362 2.41 .353 -.026 1 56 cod731 1842 2002 161 7 0 .827 .47 1.38 .387 .586 .659 2.48 .439 -.024 1 57 cod711 1647 2002 356 15 0 .872 .76 2.56 .584 .710 .636 2.68 .373 -.017 1 58 cod832 1630 2002 373 15 0 .859 .68 2.45 .549 .853 .441 2.41 .368 -.016 1 59 cod611 1619 2002 384 16 0 .897 .71 2.84 .481 .573 .585 2.52 .362 -.036 1 60 cod741 1638 2002 365 15 0 .765 .80 2.29 .453 .662 .420 2.52 .309 .004 1 61 cod742 1619 2002 384 16 0 .780 1.09 2.64 .514 .608 .369 2.44 .345 -.037 3 62 cod721 1480 2002 523 21 0 .837 .63 3.92 .688 .862 .536 2.47 .365 -.042 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 20018 823 1 .846 .61 4.20 .463 .701 .552 2.68 .359 -.028